21451996

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1831}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 39241440

約数和(自身を除く): 17789444

約数列:

[1, 2, 4, 29, 58, 101, 116, 202, 404, 1831, 2929, 3662, 5858, 7324, 11716, 53099, 106198, 184931, 212396, 369862, 739724, 5362999, 10725998, 21451996]

約数ペア:

[(1, 21451996), (2, 10725998), (4, 5362999), (29, 739724), (58, 369862), (101, 212396), (116, 184931), (202, 106198), (404, 53099), (1831, 11716), (2929, 7324), (3662, 5858)]